diff options
| author | jhb <jhb@FreeBSD.org> | 2000-10-05 22:22:31 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2000-10-05 22:22:31 +0000 |
| commit | 56c453e430328f9996e7cb8ea72523cc037a3eaf (patch) | |
| tree | c73062b25789c150c991b8ecccfa419f5b77122b /sys | |
| parent | 4cc9f87fa24c6b90c1d657b2704432cbea1b7bea (diff) | |
| download | FreeBSD-src-56c453e430328f9996e7cb8ea72523cc037a3eaf.zip FreeBSD-src-56c453e430328f9996e7cb8ea72523cc037a3eaf.tar.gz | |
Replace loadandclear() with atomic_readandclear_int().
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/amd64/amd64/pmap.c | 4 | ||||
| -rw-r--r-- | sys/amd64/include/cpufunc.h | 11 | ||||
| -rw-r--r-- | sys/i386/i386/pmap.c | 4 | ||||
| -rw-r--r-- | sys/i386/include/cpufunc.h | 11 |
4 files changed, 4 insertions, 26 deletions
diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c index 52d9cd1..523ef5d 100644 --- a/sys/amd64/amd64/pmap.c +++ b/sys/amd64/amd64/pmap.c @@ -1603,7 +1603,7 @@ pmap_remove_pte(pmap, ptq, va) unsigned oldpte; vm_page_t m; - oldpte = loadandclear(ptq); + oldpte = atomic_readandclear_int(ptq); if (oldpte & PG_W) pmap->pm_stats.wired_count -= 1; /* @@ -1799,7 +1799,7 @@ pmap_remove_all(m) pte = pmap_pte_quick(pv->pv_pmap, pv->pv_va); - tpte = loadandclear(pte); + tpte = atomic_readandclear_int(pte); if (tpte & PG_W) pv->pv_pmap->pm_stats.wired_count--; diff --git a/sys/amd64/include/cpufunc.h b/sys/amd64/include/cpufunc.h index 39868df..317af1b 100644 --- a/sys/amd64/include/cpufunc.h +++ b/sys/amd64/include/cpufunc.h @@ -305,16 +305,6 @@ inw(u_int port) return (data); } -static __inline u_int -loadandclear(volatile u_int *addr) -{ - u_int result; - - __asm __volatile("xorl %0,%0; xchgl %1,%0" - : "=&r" (result) : "m" (*addr)); - return (result); -} - static __inline void outbv(u_int port, u_char data) { @@ -525,7 +515,6 @@ void invd __P((void)); void invlpg __P((u_int addr)); void invltlb __P((void)); u_short inw __P((u_int port)); -u_int loadandclear __P((u_int *addr)); void outb __P((u_int port, u_char data)); void outl __P((u_int port, u_int data)); void outsb __P((u_int port, void *addr, size_t cnt)); diff --git a/sys/i386/i386/pmap.c b/sys/i386/i386/pmap.c index 52d9cd1..523ef5d 100644 --- a/sys/i386/i386/pmap.c +++ b/sys/i386/i386/pmap.c @@ -1603,7 +1603,7 @@ pmap_remove_pte(pmap, ptq, va) unsigned oldpte; vm_page_t m; - oldpte = loadandclear(ptq); + oldpte = atomic_readandclear_int(ptq); if (oldpte & PG_W) pmap->pm_stats.wired_count -= 1; /* @@ -1799,7 +1799,7 @@ pmap_remove_all(m) pte = pmap_pte_quick(pv->pv_pmap, pv->pv_va); - tpte = loadandclear(pte); + tpte = atomic_readandclear_int(pte); if (tpte & PG_W) pv->pv_pmap->pm_stats.wired_count--; diff --git a/sys/i386/include/cpufunc.h b/sys/i386/include/cpufunc.h index 39868df..317af1b 100644 --- a/sys/i386/include/cpufunc.h +++ b/sys/i386/include/cpufunc.h @@ -305,16 +305,6 @@ inw(u_int port) return (data); } -static __inline u_int -loadandclear(volatile u_int *addr) -{ - u_int result; - - __asm __volatile("xorl %0,%0; xchgl %1,%0" - : "=&r" (result) : "m" (*addr)); - return (result); -} - static __inline void outbv(u_int port, u_char data) { @@ -525,7 +515,6 @@ void invd __P((void)); void invlpg __P((u_int addr)); void invltlb __P((void)); u_short inw __P((u_int port)); -u_int loadandclear __P((u_int *addr)); void outb __P((u_int port, u_char data)); void outl __P((u_int port, u_int data)); void outsb __P((u_int port, void *addr, size_t cnt)); |
